these are the biggest and loudest protests in tunisia since the revolution there two years ago. the one that sparked the whole arab spring. a vocal critic of the government was shot dead outside his home yesterday. that infuriated people who say he was assassinated. it was political. they were already unhappy with tunisia's political situation since the arab spring the new islamist led government is keeping down individual freedoms. the people are not happy. tunisia's prime minister fired his cabinet and called for new elections hoping to calm tensions, then his deputy said the party wasn't unified on that. and it might not happen. we are watching developments. >>> let's gets back to our top story. a shooter on the loose in los angeles. the suspect a former cop is identified as christopher dorner. he was fired from the police force five years ago. and he might now be seeking revenge. dorner accused of shooting three los angeles police officers early this morning. one of them fatally, plus he's the prime suspect in a double killing over the weekend. we are covering all angles of